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Does eSIM use more Battery?


As the world is evolving, the network connectivity industry is also booming. The most recent advancement is the introduction of eSIM technology. With the emergence of eSIM technology, a huge shift in mobile connectivity is evident. eSIM Cards offer convenience, flexibility, and a seamless experience, allowing users to switch carriers and activate plans without the hassle of changing a physical SIM card frequently. 

Smartphones too are becoming more advanced and versatile with time. Thus, many concerns have emerged regarding the potential impact of eSIM card technology on battery life. Some users worry that the constant connectivity and multiple profiles may drain the battery faster than traditional SIM cards. But is it true?

In today's article, we will discuss whether eSIM cards drain your battery faster than regular SIM cards or not. So, let's break it down and understand the relationship between eSIM and battery life. So read the article till the end.

eSIM card highlights

eSIM, or embedded SIM, is a SIM card built into a mobile device, eliminating the need for a physical SIM card. It connects to various network operators, provided the network operator supports eSIM card services. An eSIM operates similarly to a physical SIM card but comes pre-installed. Activation involves installing the "eSIM profile" of a new operator, enabling easy switching.

The eSIM technology offers excellent global connectivity, making it reliable for international usage. It also promotes an eco-friendlier approach by reducing the need for physical SIM cards and their associated packaging, contributing to a more sustainable and greener environment.

eSIM Card and battery performance

An eSIM, short for embedded SIM, is a small chip directly into your mobile device's hardware. It functions like a traditional physical SIM card but is built into the device. One key advantage of an eSIM card is that it allows for greater flexibility and convenience when managing your mobile network subscriptions without requiring a physical SIM card to be inserted or swapped. This built-in nature of the eSIM has raised questions about its potential impact on battery life.

·      Battery performance on a mobile device is a critical concern for users. Your device's power directly affects how long it can last without needing a recharge. An eSIM card does not directly affect your device's battery life compared to a physical SIM card. The power consumption of an eSIM card is quite minimal and is in line with how much energy a physical SIM would consume during regular usage.

·      Activities that require more data transmission, such as heavy uploading or downloading, will consume more battery power. This holds whether you're using an eSIM card or a physical SIM card. The primary factor influencing battery life is the data usage and the processing power required for various tasks you perform on your device.

·      Streaming high-definition videos, engaging in video calls, or playing graphically demanding games will drain your battery faster than simple tasks like sending text messages or making calls. The eSIM card only introduces additional battery strain beyond what these activities already demand.

·      However, the impact of an eSIM card on battery life is negligible, and any difference in battery usage compared to a physical SIM card is minimal. The key to preserving your device's battery life lies in moderating data-intensive activities and optimizing overall usage patterns rather than being a function of the SIM type used.

Myths about eSIM card impact on battery life

Myth 1: Some people think eSIM cards use a lot of power, but they use very little and are designed to save energy, not drain your battery quickly.

Myth2: Some believe eSIM cards make your device's signal weaker and use up more battery when connecting to networks. In reality, eSIM cards work just as well as regular SIM cards in terms of signal strength and battery usage.

Myth 3: People might worry that having multiple eSIM profiles can reduce battery life. However, today's devices are smart about managing eSIM and using more than one doesn't significantly impact how long your Battery lasts.

Myth 4: Some think eSIM make your phone bulky, but they're tiny chips that save space, allowing for slimmer and more compact phone designs.

eSIM vs Physical SIM impact on Battery 

Although, there are a few differences between an eSIM card and a physical SIM when it comes to battery life. When comparing the impact on battery life between eSIM and physical SIM, here are some key considerations: 

  • Power Consumption: While eSIM does consume some power for communication and processing, the power requirements are very low. They are designed to be power-efficient and have been optimized to ensure minimal impact on battery life.

  • SIM Card Slot Space: Using an eSIM card eliminates the need for a physical SIM card slot. This saved space can be used for other components or to house a larger battery, indirectly contributing to improved battery life.

  • Efficiency in Communication: eSIM technology is designed to handle communication with the network efficiently. It can optimize communication processes, potentially using less power than traditional SIM cards, especially during network registrations and updates.

  • Adaptive Power Management: Modern devices, including eSIM, incorporate advanced power management techniques. These techniques dynamically allocate power based on usage patterns and demands, regardless of whether it's an eSIM or a physical SIM.

  • Software Optimization: Manufacturers often optimize software to ensure that using an eSIM doesn't significantly impact battery life. Firmware updates and software improvements continually enhance power efficiency, addressing initial differences.

  • Network Efficiency: eSIM technology allows for better network management and connectivity. Improved network efficiency contributes to better battery life as the device can connect to the network more effectively.

  • Device Design and Size: An eSIM card eliminates the need for a physical SIM card slot, manufacturers can design devices to be more compact or allocate extra space for a larger battery, ultimately benefiting battery life.

Why buy eSIM from Prune 

  • Seamless Activation: Prune offers an easy activation process that saves time and eliminates the need to visit a store or wait for a SIM card to arrive.

  • Cost-Effective: Prune eSIM card packs are affordable, ensuring seamless connectivity without roaming charges. Moreover, it eliminates the need to purchase international roaming packs.

  • Global Connectivity: Prune delivers eSIM card plans with expansive global coverage, guaranteeing uninterrupted connectivity no matter where your travels lead you.

How the eSIM cards work

The process to set up an eSIM card on the device is a simple one. Follow the below-mentioned steps to set up the eSIM:

·      Download the Prune App or go to prune.co.in

·      Choose the travel destination.

·      Pick a package that you need and desire.

·      Confirm the plan.

·      Fill in your contact and billing details.

·      Proceed to pay.

·      Check your email.

·      Scan the QR code.

·      Install the eSIM.

·      Activate the eSIM on your device.

·      Track the data usage.


Are you planning an overseas trip soon? If yes, then do not waste your hard-earned money on purchasing costly international roaming packs. Choose our pocket-friendly international travel packs. Click here to Buy eSIM Online from Prune now! 


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